docs: def release_reward(self, agreement_id, amount, account):
          """
          Release reward condition.
  
          :param agreement_id: id of the agreement, hex str
          :param amount: Amount of tokens, int
          :param account: Account
          :return:
          """
          agreement_values = self._keeper.agreement_manager.get_agreement(agreement_id)
          consumer, provider = self._keeper.escrow_access_secretstore_template.get_agreement_data(
              agreement_id)
          access_id, lock_id = agreement_values.condition_ids[:2]
          return self._keeper.escrow_reward_condition.fulfill(
              agreement_id,
              amount,
              provider,
              consumer,
              lock_id,
              access_id,
              account
          )